//儲存Cookie
function SetCookie(name,value,expires,path,domain,secure) {
    var expDays = expires*24*60*60*1000;
    var expDate = new Date();
    expDate.setTime(expDate.getTime()+expDays);
    var expString = ((expires==null) ? "" : (";expires="+expDate.toGMTString()))
    var pathString = ((path==null) ? "" : (";path="+path))
    var domainString = ((domain==null) ? "" : (";domain="+domain))
    var secureString = ((secure==true) ? ";secure" : "" )
    document.cookie = name + "=" + escape(value) +
                                expString + pathString + domainString + secureString;
}



//擷取Cookie
function GetCookie(name) {
    var result = null;
    var myCookie = document.cookie + ";";
    var searchName = name + "=";
    var startOfCookie = myCookie.indexOf(searchName);
    var endOfCookie;
    if (startOfCookie != -1) {
        startOfCookie += searchName.length;
        endOfCookie = myCookie.indexOf(";",startOfCookie);
        result = unescape(myCookie.substring(startOfCookie, endOfCookie));
    }
    return result;
}

//刪除Cookie
function ClearCookie(name) {
    var ThreeDays=3*24*60*60*1000;
    var expDate = new Date();
    expDate.setTime(expDate.getTime()-ThreeDays);
    document.cookie=name+"=;expires="+expDate.toGMTString();
}